How to use answer method of org.mockito.AdditionalAnswers class

Best Mockito code snippet using org.mockito.AdditionalAnswers.answer

Source:StubbingWithAdditionalAnswersTest.java Github

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...4 */5package org.mockitousage.stubbing;6import static org.assertj.core.api.Assertions.assertThat;7import static org.assertj.core.api.Assertions.within;8import static org.mockito.AdditionalAnswers.answer;9import static org.mockito.AdditionalAnswers.answerVoid;10import static org.mockito.AdditionalAnswers.returnsArgAt;11import static org.mockito.AdditionalAnswers.returnsFirstArg;12import static org.mockito.AdditionalAnswers.returnsLastArg;13import static org.mockito.AdditionalAnswers.returnsSecondArg;14import static org.mockito.AdditionalAnswers.answersWithDelay;15import static org.mockito.BDDMockito.any;16import static org.mockito.BDDMockito.anyInt;17import static org.mockito.BDDMockito.anyString;18import static org.mockito.BDDMockito.eq;19import static org.mockito.BDDMockito.given;20import static org.mockito.BDDMockito.mock;21import static org.mockito.BDDMockito.times;22import static org.mockito.BDDMockito.verify;23import org.junit.Test;24import org.junit.runner.RunWith;25import org.mockito.Mock;26import org.mockito.junit.MockitoJUnitRunner;27import org.mockito.stubbing.Answer1;28import org.mockito.stubbing.Answer2;29import org.mockito.stubbing.Answer3;30import org.mockito.stubbing.Answer4;31import org.mockito.stubbing.Answer5;32import org.mockito.stubbing.VoidAnswer1;33import org.mockito.stubbing.VoidAnswer2;34import org.mockito.stubbing.VoidAnswer3;35import org.mockito.stubbing.VoidAnswer4;36import org.mockito.stubbing.VoidAnswer5;37import org.mockitousage.IMethods;38import java.util.Date;39@RunWith(MockitoJUnitRunner.class)40public class StubbingWithAdditionalAnswersTest {41 @Mock IMethods iMethods;42 @Test43 public void can_return_arguments_of_invocation() throws Exception {44 given(iMethods.objectArgMethod(any())).will(returnsFirstArg());45 given(iMethods.threeArgumentMethod(eq(0), any(), anyString())).will(returnsSecondArg());46 given(iMethods.threeArgumentMethod(eq(1), any(), anyString())).will(returnsLastArg());47 assertThat(iMethods.objectArgMethod("first")).isEqualTo("first");48 assertThat(iMethods.threeArgumentMethod(0, "second", "whatever")).isEqualTo("second");49 assertThat(iMethods.threeArgumentMethod(1, "whatever", "last")).isEqualTo("last");50 }51 @Test52 public void can_return_after_delay() throws Exception {53 final long sleepyTime = 500L;54 given(iMethods.objectArgMethod(any())).will(answersWithDelay(sleepyTime, returnsFirstArg()));55 final Date before = new Date();56 assertThat(iMethods.objectArgMethod("first")).isEqualTo("first");57 final Date after = new Date();58 final long timePassed = after.getTime() - before.getTime();59 assertThat(timePassed).isCloseTo(sleepyTime, within(15L));60 }61 @Test62 public void can_return_expanded_arguments_of_invocation() throws Exception {63 given(iMethods.varargsObject(eq(1), any())).will(returnsArgAt(3));64 assertThat(iMethods.varargsObject(1, "bob", "alexander", "alice", "carl")).isEqualTo("alice");65 }66 @Test67 public void can_return_primitives_or_wrappers() throws Exception {68 given(iMethods.toIntPrimitive(anyInt())).will(returnsFirstArg());69 given(iMethods.toIntWrapper(anyInt())).will(returnsFirstArg());70 assertThat(iMethods.toIntPrimitive(1)).isEqualTo(1);71 assertThat(iMethods.toIntWrapper(1)).isEqualTo(1);72 }73 @Test74 public void can_return_based_on_strongly_types_one_parameter_function() throws Exception {75 given(iMethods.simpleMethod(anyString()))76 .will(answer(new Answer1<String, String>() {77 public String answer(String s) {78 return s;79 }80 }));81 assertThat(iMethods.simpleMethod("string")).isEqualTo("string");82 }83 @Test84 public void will_execute_a_void_based_on_strongly_typed_one_parameter_function() throws Exception {85 final IMethods target = mock(IMethods.class);86 given(iMethods.simpleMethod(anyString()))87 .will(answerVoid(new VoidAnswer1<String>() {88 public void answer(String s) {89 target.simpleMethod(s);90 }91 }));92 // invoke on iMethods93 iMethods.simpleMethod("string");94 // expect the answer to write correctly to "target"95 verify(target, times(1)).simpleMethod("string");96 }97 @Test98 public void can_return_based_on_strongly_typed_two_parameter_function() throws Exception {99 given(iMethods.simpleMethod(anyString(), anyInt()))100 .will(answer(new Answer2<String, String, Integer>() {101 public String answer(String s, Integer i) {102 return s + "-" + i;103 }104 }));105 assertThat(iMethods.simpleMethod("string",1)).isEqualTo("string-1");106 }107 @Test108 public void will_execute_a_void_based_on_strongly_typed_two_parameter_function() throws Exception {109 final IMethods target = mock(IMethods.class);110 given(iMethods.simpleMethod(anyString(), anyInt()))111 .will(answerVoid(new VoidAnswer2<String, Integer>() {112 public void answer(String s, Integer i) {113 target.simpleMethod(s, i);114 }115 }));116 // invoke on iMethods117 iMethods.simpleMethod("string",1);118 // expect the answer to write correctly to "target"119 verify(target, times(1)).simpleMethod("string", 1);120 }121 @Test122 public void can_return_based_on_strongly_typed_three_parameter_function() throws Exception {123 final IMethods target = mock(IMethods.class);124 given(iMethods.threeArgumentMethodWithStrings(anyInt(), anyString(), anyString()))125 .will(answer(new Answer3<String, Integer, String, String>() {126 public String answer(Integer i, String s1, String s2) {127 target.threeArgumentMethodWithStrings(i, s1, s2);128 return "answered";129 }130 }));131 assertThat(iMethods.threeArgumentMethodWithStrings(1, "string1", "string2")).isEqualTo("answered");132 verify(target, times(1)).threeArgumentMethodWithStrings(1, "string1", "string2");133 }134 @Test135 public void will_execute_a_void_based_on_strongly_typed_three_parameter_function() throws Exception {136 final IMethods target = mock(IMethods.class);137 given(iMethods.threeArgumentMethodWithStrings(anyInt(), anyString(), anyString()))138 .will(answerVoid(new VoidAnswer3<Integer, String, String>() {139 public void answer(Integer i, String s1, String s2) {140 target.threeArgumentMethodWithStrings(i, s1, s2);141 }142 }));143 // invoke on iMethods144 iMethods.threeArgumentMethodWithStrings(1, "string1", "string2");145 // expect the answer to write correctly to "target"146 verify(target, times(1)).threeArgumentMethodWithStrings(1, "string1", "string2");147 }148 @Test149 public void can_return_based_on_strongly_typed_four_parameter_function() throws Exception {150 final IMethods target = mock(IMethods.class);151 given(iMethods.fourArgumentMethod(anyInt(), anyString(), anyString(), any(boolean[].class)))152 .will(answer(new Answer4<String, Integer, String, String, boolean[]>() {153 public String answer(Integer i, String s1, String s2, boolean[] a) {154 target.fourArgumentMethod(i, s1, s2, a);155 return "answered";156 }157 }));158 boolean[] booleanArray = { true, false };159 assertThat(iMethods.fourArgumentMethod(1, "string1", "string2", booleanArray)).isEqualTo("answered");160 verify(target, times(1)).fourArgumentMethod(1, "string1", "string2", booleanArray);161 }162 @Test163 public void will_execute_a_void_based_on_strongly_typed_four_parameter_function() throws Exception {164 final IMethods target = mock(IMethods.class);165 given(iMethods.fourArgumentMethod(anyInt(), anyString(), anyString(), any(boolean[].class)))166 .will(answerVoid(new VoidAnswer4<Integer, String, String, boolean[]>() {167 public void answer(Integer i, String s1, String s2, boolean[] a) {168 target.fourArgumentMethod(i, s1, s2, a);169 }170 }));171 // invoke on iMethods172 boolean[] booleanArray = { true, false };173 iMethods.fourArgumentMethod(1, "string1", "string2", booleanArray);174 // expect the answer to write correctly to "target"175 verify(target, times(1)).fourArgumentMethod(1, "string1", "string2", booleanArray);176 }177 @Test178 public void can_return_based_on_strongly_typed_five_parameter_function() throws Exception {179 final IMethods target = mock(IMethods.class);180 given(iMethods.simpleMethod(anyString(), anyInt(), anyInt(), anyInt(), anyInt()))181 .will(answer(new Answer5<String, String, Integer, Integer, Integer, Integer>() {182 public String answer(String s1, Integer i1, Integer i2, Integer i3, Integer i4) {183 target.simpleMethod(s1, i1, i2, i3, i4);184 return "answered";185 }186 }));187 assertThat(iMethods.simpleMethod("hello", 1, 2, 3, 4)).isEqualTo("answered");188 verify(target, times(1)).simpleMethod("hello", 1, 2, 3, 4);189 }190 @Test191 public void will_execute_a_void_based_on_strongly_typed_five_parameter_function() throws Exception {192 final IMethods target = mock(IMethods.class);193 given(iMethods.simpleMethod(anyString(), anyInt(), anyInt(), anyInt(), anyInt()))194 .will(answerVoid(new VoidAnswer5<String, Integer, Integer, Integer, Integer>() {195 public void answer(String s1, Integer i1, Integer i2, Integer i3, Integer i4) {196 target.simpleMethod(s1, i1, i2, i3, i4);197 }198 }));199 // invoke on iMethods200 iMethods.simpleMethod("hello", 1, 2, 3, 4);201 // expect the answer to write correctly to "target"202 verify(target, times(1)).simpleMethod("hello", 1, 2, 3, 4);203 }204}...

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Source:OfficalTest_Part_4.java Github

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...8public class OfficalTest_Part_4 {9 /*10 * Mockito mocks can be serialized / deserialized across classloaders (Since 1.10.0)11 * Mockito实现了从classloader中引入序列化。就好像任何对象来自于系列化之中，在mock层次中的所有12 * 类型都必须序列化，并且包含answers；13 * 还可以参考以下内容14 * https://static.javadoc.io/org.mockito/mockito-core/2.7.22/org/mockito/MockSettings.html#serializable(org.mockito.mock.SerializableMode)15 */16 /**17 * {@see Mockito18 * https://static.javadoc.io/org.mockito/mockito-core/2.7.22/org/mockito/Mockito.html#3119 * }20 */21 @Test22 public void step_31() {23// // use regular serialization24// mock(Book.class, withSettings().serializable());25//26// // use serialization across classloaders27// mock(Book.class, withSettings().serializable(ACROSS_CLASSLOADERS));28 }29 /*30 * Better generic support with deep stubs (Since 1.10.0)31 * 在类中如果泛型信息被引入，这就意味着类可以这样被使用而没有mock行为。32 *33 * 注意：34 * 在大多数情况下，mock返回mock对象是错误的。35 */36 /**37 * {@see Mockito38 * https://static.javadoc.io/org.mockito/mockito-core/2.7.22/org/mockito/Mockito.html#3239 * }40 */41 @Test42 public void step_32() {43//44// class Lines extends List<Line> {45// // ...46// }47//48// lines = mock(Lines.class, RETURNS_DEEP_STUBS);49//50// // Now Mockito understand this is not an Object but a Line51// Line line = lines.iterator().next();52 }53 /*54 * Mockito JUnit rule (Since 1.10.17)55 * 在初始化注解中比如@Mock @Spy @InjectMocks有两种手段与方法56 * 1、使用@RunWith(MockitoJUnitRunner.class)注解JUnit测试类57 * 2、在使用@Before注解的方法中使用MockitoAnnotations.initMocks(Object)58 * Mockito.rule()59 * https://static.javadoc.io/org.mockito/mockito-core/2.7.22/org/mockito/junit/MockitoJUnit.html#rule()60 */61 /**62 * {@see Mockito63 * https://static.javadoc.io/org.mockito/mockito-core/2.7.22/org/mockito/Mockito.html#64 * }65 */66 @Test67 public void step_33() {68// @RunWith(YetAnotherRunner.class)69// public class TheTest {70// @Rule public MockitoRule mockito = MockitoJUnit.rule();71// // ...72// }73 }74 /*75 * Switch on or off plugins (Since 1.10.15)76 * 一个孵化功能使它在mockito的方式，将允许切换mockito插件。77 * PluginSwitch78 * https://static.javadoc.io/org.mockito/mockito-core/2.7.22/org/mockito/plugins/PluginSwitch.html79 */80 /**81 * {@see Mockito82 * https://static.javadoc.io/org.mockito/mockito-core/2.7.22/org/mockito/Mockito.html#83 * }84 */85 @Test86 public void step_34() {87 }88 /*89 * Custom verification failure message (Since 2.1.0)90 * 如果校验失败的话，可以自定义的提示信息。91 */92 /**93 * {@see Mockito94 * https://static.javadoc.io/org.mockito/mockito-core/2.7.22/org/mockito/Mockito.html#3595 * }96 */97 @Test98 public void step_35() {99 ArrayList mock = mock(ArrayList.class);100 // will print a custom message on verification failure101 verify(mock, description("This will print on failure")).clear();102 // will work with any verification mode103 verify(mock, times(2).description("someMethod should be called twice")).size();104 }105 /*106 * Java 8 Lambda Matcher Support (Since 2.1.0)107 *108 */109 /**110 * {@see Mockito111 * https://static.javadoc.io/org.mockito/mockito-core/2.7.22/org/mockito/Mockito.html#36112 * }113 */114 @Test115 public void step_36() {116//117// // verify a list only had strings of a certain length added to it118// // note - this will only compile under Java 8119// verify(list, times(2)).add(argThat(string -> string.length() < 5));120//121// // Java 7 equivalent - not as neat122// verify(list, times(2)).add(argThat(new ArgumentMatcher(){123// public boolean matches(String arg) {124// return arg.length() < 5;125// }126// }));127//128// // more complex Java 8 example - where you can specify complex verification behaviour functionally129// verify(target, times(1)).receiveComplexObject(argThat(obj -> obj.getSubObject().get(0).equals("expected")));130//131// // this can also be used when defining the behaviour of a mock under different inputs132// // in this case if the input list was fewer than 3 items the mock returns null133// when(mock.someMethod(argThat(list -> list.size()<3))).willReturn(null);134 }135 /*136 *137 */138 /**139 * {@see Mockito140 * https://static.javadoc.io/org.mockito/mockito-core/2.7.22/org/mockito/Mockito.html#37141 * }142 */143 @Test144 public void step_37() {145// // answer by returning 12 every time146// doAnswer(invocation -> 12).when(mock).doSomething();147//148// // answer by using one of the parameters - converting into the right149// // type as your go - in this case, returning the length of the second string parameter150// // as the answer. This gets long-winded quickly, with casting of parameters.151// doAnswer(invocation -> ((String)invocation.getArgument(1)).length())152// .when(mock).doSomething(anyString(), anyString(), anyString());153//154// // Example interface to be mocked has a function like:155// void execute(String operand, Callback callback);156//157// // the example callback has a function and the class under test158// // will depend on the callback being invoked159// void receive(String item);160//161// // Java 8 - style 1162// doAnswer(AdditionalAnswers.answerVoid((operand, callback) -> callback.receive("dummy"))163// .when(mock).execute(anyString(), any(Callback.class));164//165// // Java 8 - style 2 - assuming static import of AdditionalAnswers166// doAnswer(answerVoid((String operand, Callback callback) -> callback.receive("dummy"))167// .when(mock).execute(anyString(), any(Callback.class));168//169// // Java 8 - style 3 - where mocking function to is a static member of test class170// private static void dummyCallbackImpl(String operation, Callback callback) {171// callback.receive("dummy");172// }173//174// doAnswer(answerVoid(TestClass::dummyCallbackImpl)175// .when(mock).execute(anyString(), any(Callback.class));176//177// // Java 7178// doAnswer(answerVoid(new VoidAnswer2() {179// public void answer(String operation, Callback callback) {180// callback.receive("dummy");181// }})).when(mock).execute(anyString(), any(Callback.class));182//183// // returning a value is possible with the answer() function184// // and the non-void version of the functional interfaces185// // so if the mock interface had a method like186// boolean isSameString(String input1, String input2);187//188// // this could be mocked189// // Java 8190// doAnswer(AdditionalAnswers.answer((input1, input2) -> input1.equals(input2))))191// .when(mock).execute(anyString(), anyString());192//193// // Java 7194// doAnswer(answer(new Answer2() {195// public String answer(String input1, String input2) {196// return input1 + input2;197// }})).when(mock).execute(anyString(), anyString());198 }199 /*200 * Meta data and generic type retention (Since 2.1.0)201 * Mockito现在保留mocked方法以及类型上的注释信息，就像作为泛型属性数据一样。202 * 以前，模拟类型没有保留对类型的注释，除非它们被显式地继承，并且从未在方法上保留注释。203 * 因此，现在的条件如下：204 * 当时用Java8时，Mockito现在也会保留类型注解，这是默认行为，如果使用另一个MockMaker可能不会保留。205 */206 /**207 * {@see Mockito208 * https://static.javadoc.io/org.mockito/mockito-core/2.7.22/org/mockito/Mockito.html#38209 * }...

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Source:TextAnalyzerTest.java Github

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1// **************************************************2// GSDK 3// Graffica System Development Kit 4// 5// Release Version: {RELEASE_VERSION} 6// Copyright: (c) Graffica Ltd {RELEASE_DATE} 7// 8// **************************************************9// This software is provided under the terms of the 10// Graffica Software Licence Agreement 11// 12// THIS HEADER MUST NOT BE ALTERED OR REMOVED 13// **************************************************14package uk.dangrew.exercises.algorithm;15import org.junit.jupiter.api.BeforeEach;16import org.junit.jupiter.api.Test;17import org.junit.jupiter.api.extension.ExtendWith;18import org.mockito.AdditionalAnswers;19import org.mockito.InOrder;20import org.mockito.Mock;21import org.mockito.junit.jupiter.MockitoExtension;22import uk.dangrew.exercises.analysis.TextAnalysis;23import uk.dangrew.exercises.io.ListWordFeed;24import uk.dangrew.exercises.io.WordFeed;25import uk.dangrew.exercises.quality.QualityControl;26import uk.dangrew.exercises.report.Reporter;27import java.util.List;28import static java.util.Arrays.asList;29import static org.mockito.Mockito.*;30@ExtendWith( MockitoExtension.class )31public class TextAnalyzerTest {32 @Mock33 private QualityControl qualityControl1;34 @Mock35 private QualityControl qualityControl2;36 @Mock37 private TextAnalysis analyzer1;38 @Mock39 private TextAnalysis analyzer2;40 private TextAnalyzer systemUnderTest;41 @BeforeEach42 public void initialiseSystemUnderTest() {43 systemUnderTest = new TextAnalyzer(44 asList( qualityControl1, qualityControl2 ),45 asList( analyzer1, analyzer2 )46 );47 }48 @Test49 public void shouldProcessEntireWordFeedOnAllAnalyzers() {50 doAnswer( AdditionalAnswers.returnsFirstArg() ).when( qualityControl1 ).applyQualityMeasures( anyString() );51 doAnswer( AdditionalAnswers.returnsFirstArg() ).when( qualityControl2 ).applyQualityMeasures( anyString() );52 List< String > words = asList( "first", "second", "third", "fourth" );53 WordFeed wordFeed = new ListWordFeed( words );54 systemUnderTest.process( wordFeed );55 InOrder order = inOrder( analyzer1, analyzer2 );56 for ( String word : words ) {57 order.verify( analyzer1 ).analyze( word );58 order.verify( analyzer2 ).analyze( word );59 }60 }61 @Test62 public void shouldReportMultipleAnalyzers() {63 Reporter reporter = mock( Reporter.class );64 systemUnderTest.report( reporter );65 InOrder order = inOrder( analyzer1, analyzer2 );66 order.verify( analyzer1 ).report( reporter );67 order.verify( analyzer2 ).report( reporter );68 }69 @Test70 public void shouldApplyQualityControlsBeforeAnalyzing() {71 String input = "anything";72 String firstQualityAnswer = "decent-quality";73 String secondQualityAnswer = "best-quality";74 when( qualityControl1.applyQualityMeasures( input ) ).thenReturn( firstQualityAnswer );75 when( qualityControl2.applyQualityMeasures( firstQualityAnswer ) ).thenReturn( secondQualityAnswer );76 systemUnderTest.process( new ListWordFeed( input ) );77 verify( analyzer1 ).analyze( secondQualityAnswer );78 verify( analyzer2 ).analyze( secondQualityAnswer );79 }80 @Test81 public void shouldExpectAndSupportQualityControlledStringsBeingRemoved() {82 String input = "anything";83 String firstQualityAnswer = "decent-quality";84 when( qualityControl1.applyQualityMeasures( input ) ).thenReturn( firstQualityAnswer );85 when( qualityControl2.applyQualityMeasures( firstQualityAnswer ) ).thenReturn( null );86 systemUnderTest.process( new ListWordFeed( input ) );87 verify( analyzer1, never() ).analyze( anyString() );88 verify( analyzer2, never() ).analyze( anyString() );89 }90}...

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Source:Java8LambdaCustomAnswerSupportTest.java Github

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...14public class Java8LambdaCustomAnswerSupportTest {15 @Test16 void doAnswerTest() {17 /*18 // answer by returning 12 every time19 doAnswer(invocation -> 12).when(mock).doSomething();20 // answer by using one of the parameters - converting into the right21 // type as your go - in this case, returning the length of the second string parameter22 // as the answer. This gets long-winded quickly, with casting of parameters.23 doAnswer(invocation -> ((String)invocation.getArgument(1)).length())24 .when(mock).doSomething(anyString(), anyString(), anyString());25 */26 /**27 * For convenience it is possible to write custom answers/actions, which use the28 * parameters to the method call, as Java 8 lambdas. Even in Java 7 and lower these29 * custom answers based on a typed interface can reduce boilerplate. In particular,30 * this approach will make it easier to test functions which use callbacks. The methods31 * answer and answerVoid can be used to create the answer. They rely on the related32 * answer interfaces in org.mockito.stubbing that support answers up to 5 parameters.33 */34 }35 @Test36 void name() {37 /*38 // Example interface to be mocked has a function like:39 void execute(String operand, Callback callback);40 // the example callback has a function and the class under test41 // will depend on the callback being invoked42 void receive(String item);43 // Java 8 - style 144 doAnswer(AdditionalAnswers.answerVoid((operand, callback) -> callback.receive("dummy"))45 .when(mock).execute(anyString(), any(Callback.class));46 // Java 8 - style 2 - assuming static import of AdditionalAnswers47 doAnswer(answerVoid((String operand, Callback callback) -> callback.receive("dummy"))48 .when(mock).execute(anyString(), any(Callback.class));49 // Java 8 - style 3 - where mocking function to is a static member of test class50 private static void dummyCallbackImpl(String operation, Callback callback) {51 callback.receive("dummy");52 }53 doAnswer(answerVoid(TestClass::dummyCallbackImpl)54 .when(mock).execute(anyString(), any(Callback.class));55 // Java 756 doAnswer(answerVoid(new VoidAnswer2() {57 public void answer(String operation, Callback callback) {58 callback.receive("dummy");59 }})).when(mock).execute(anyString(), any(Callback.class));60 // returning a value is possible with the answer() function61 // and the non-void version of the functional interfaces62 // so if the mock interface had a method like63 boolean isSameString(String input1, String input2);64 // this could be mocked65 // Java 866 doAnswer(AdditionalAnswers.answer((input1, input2) -> input1.equals(input2))))67 .when(mock).execute(anyString(), anyString());68 // Java 769 doAnswer(answer(new Answer2() {70 public String answer(String input1, String input2) {71 return input1 + input2;72 }})).when(mock).execute(anyString(), anyString());73 */74 }75}...

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Source:AbstractCommandTest.java Github

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1// Copyright: (c) 2014 Christopher Davis <http://christopherdavis.me>2// License: MIT http://opensource.org/licenses/MIT3package org.chrisguitarguy.beanstalkc.command;4import java.io.InputStream;5import java.io.OutputStream;6import java.io.IOException;7import org.junit.Test;8import org.junit.Before;9import org.junit.After;10import org.junit.Assert;11import org.mockito.Mockito;12import org.mockito.AdditionalAnswers;13import org.chrisguitarguy.beanstalkc.BeanstalkcException;14import org.chrisguitarguy.beanstalkc.Command;15import org.chrisguitarguy.beanstalkc.command.AbstractCommand;16public class AbstractCommandTest17{18 private InputStream in;19 private OutputStream out;20 @Test(expected=BeanstalkcException.class)21 public void testWithEmptyResponse() throws BeanstalkcException, IOException22 {23 Mockito.doAnswer(AdditionalAnswers.returnsElementsOf(TestHelper.byteCollection("\r\n")))24 .when(in)25 .read();26 Command<Boolean> cmd = new Cmd();27 cmd.execute(in, out);28 }29 @Test(expected=BeanstalkcException.class)30 public void testWithOutOfMememoryError() throws BeanstalkcException, IOException31 {32 Mockito.doAnswer(AdditionalAnswers.returnsElementsOf(TestHelper.byteCollection("OUT_OF_MEMORY\r\n")))33 .when(in)34 .read();35 Command<Boolean> cmd = new Cmd();36 cmd.execute(in, out);37 }38 @Test(expected=BeanstalkcException.class)39 public void testWithInternalError() throws BeanstalkcException, IOException40 {41 Mockito.doAnswer(AdditionalAnswers.returnsElementsOf(TestHelper.byteCollection("INTERNAL_ERROR\r\n")))42 .when(in)43 .read();44 Command<Boolean> cmd = new Cmd();45 cmd.execute(in, out);46 }47 @Test(expected=BeanstalkcException.class)48 public void testWithBadFormat() throws BeanstalkcException, IOException49 {50 Mockito.doAnswer(AdditionalAnswers.returnsElementsOf(TestHelper.byteCollection("BAD_FORMAT\r\n")))51 .when(in)52 .read();53 Command<Boolean> cmd = new Cmd();54 cmd.execute(in, out);55 }56 @Test(expected=BeanstalkcException.class)57 public void testWithUnknownCommand() throws BeanstalkcException, IOException58 {59 Mockito.doAnswer(AdditionalAnswers.returnsElementsOf(TestHelper.byteCollection("UNKNOWN_COMMAND\r\n")))60 .when(in)61 .read();62 Command<Boolean> cmd = new Cmd();63 cmd.execute(in, out);64 }65 @Test66 public void testWithOkayResponse() throws BeanstalkcException, IOException67 {68 Mockito.doAnswer(AdditionalAnswers.returnsElementsOf(TestHelper.byteCollection("INSERTED 12\r\n")))69 .when(in)70 .read();71 Command<Boolean> cmd = new Cmd();72 Assert.assertTrue(cmd.execute(in, out));73 }74 @Before75 public void setUp()76 {77 in = Mockito.mock(InputStream.class);78 out = Mockito.mock(OutputStream.class);79 }80 @After81 public void tearDown()82 {83 Mockito.reset(in);84 Mockito.reset(out);85 }86 // stub class for tests here.87 class Cmd extends AbstractCommand<Boolean>88 {89 protected void sendRequest(OutputStream out) throws BeanstalkcException, IOException90 {91 }92 protected Boolean readResponse(String[] first_line, InputStream in) throws BeanstalkcException, IOException93 {94 return true;95 }96 }97}...

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Source:StubbingWithExtraAnswersTest.java Github

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1/*2 * Copyright (c) 2007 Mockito contributors3 * This program is made available under the terms of the MIT License.4 */5package org.mockitousage.stubbing;6import org.junit.Test;7import org.mockito.AdditionalAnswers;8import org.mockito.Mock;9import org.mockito.exceptions.base.MockitoException;10import org.mockitousage.IMethods;11import org.mockitoutil.TestBase;12import java.util.List;13import static java.util.Arrays.asList;14import static junit.framework.TestCase.assertEquals;15import static junit.framework.TestCase.fail;16import static org.mockito.Mockito.when;17public class StubbingWithExtraAnswersTest extends TestBase {18 @Mock private IMethods mock;19 20 @Test21 public void shouldWorkAsStandardMockito() throws Exception {22 //when23 List<Integer> list = asList(1, 2, 3);24 when(mock.objectReturningMethodNoArgs()).thenAnswer(AdditionalAnswers.returnsElementsOf(list));25 26 //then27 assertEquals(1, mock.objectReturningMethodNoArgs());28 assertEquals(2, mock.objectReturningMethodNoArgs());29 assertEquals(3, mock.objectReturningMethodNoArgs());30 //last element is returned continuously31 assertEquals(3, mock.objectReturningMethodNoArgs());32 assertEquals(3, mock.objectReturningMethodNoArgs());33 }34 @Test35 public void shouldReturnNullIfNecessary() throws Exception {36 //when37 List<Integer> list = asList(1, null);38 when(mock.objectReturningMethodNoArgs()).thenAnswer(AdditionalAnswers.returnsElementsOf(list));39 40 //then41 assertEquals(1, mock.objectReturningMethodNoArgs());42 assertEquals(null, mock.objectReturningMethodNoArgs());43 assertEquals(null, mock.objectReturningMethodNoArgs());44 }45 46 @Test47 public void shouldScreamWhenNullPassed() throws Exception {48 try {49 //when50 AdditionalAnswers.returnsElementsOf(null);51 //then52 fail();53 } catch (MockitoException e) {}54 }55}...

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Source:MockUtil.java Github

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...28 public DelegatingAnswer(Object delegated) {29 this.delegated = delegated;30 }31 @Override32 public Object answer(InvocationOnMock inv) throws Throwable {33 Method m = inv.getMethod();34 Method rm = delegated.getClass().getMethod(m.getName(),35 m.getParameterTypes());36 return rm.invoke(delegated, inv.getArguments());37 }38 }39}...

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Source:MoreAnswers.java Github

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1/*2 * Copyright (c) 2016 Red Hat, Inc. and others. All rights reserved.3 *4 * This program and the accompanying materials are made available under the5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,6 * and is available at http://www.eclipse.org/legal/epl-v10.html7 */8package org.opendaylight.infrautils.testutils.mockito;9import org.mockito.AdditionalAnswers;10import org.mockito.Answers;11import org.mockito.Mockito;12import org.mockito.stubbing.Answer;13import org.opendaylight.infrautils.testutils.Partials;14/**15 * More {@link Mockito} {@link Answer} variants, extending the its standard16 * {@link Answers} and {@link AdditionalAnswers}. Consider using the17 * {@link Partials#newPartial(Class)} short cut directly.18 *19 * @author Michael Vorburger20 */21@SuppressWarnings("unchecked")22public final class MoreAnswers {23 private MoreAnswers() {24 }25 /**26 * Returns Mockito Answer (default) which forwards method calls or throws an UnstubbedMethodException.27 *28 * @see CallsRealOrExceptionAnswer29 */30 public static <T> Answer<T> realOrException() {31 return (Answer<T>) CallsRealOrExceptionAnswer.INSTANCE;32 }33 /**34 * Returns Mockito Answer (default) which throws an UnstubbedMethodException.35 *36 * @see ThrowsMethodExceptionAnswer37 */38 public static <T> Answer<T> exception() {39 return (Answer<T>) ThrowsMethodExceptionAnswer.INSTANCE;40 }41}...

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answer

Using AI Code Generation

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1package org.kodejava.example.mockito;2import org.junit.Test;3import org.junit.runner.RunWith;4import org.mockito.Mock;5import org.mockito.runners.MockitoJUnitRunner;6import java.util.List;7import static org.junit.Assert.assertEquals;8import static org.mockito.AdditionalAnswers.returnsFirstArg;9import static org.mockito.Mockito.when;10@RunWith(MockitoJUnitRunner.class)11public class AdditionalAnswersReturnsFirstArgTest {12 private List<String> list;13 public void testReturnsFirstArg() {14 when(list.add(returnsFirstArg())).thenCallRealMethod();15 list.add("Hello");16 assertEquals("Hello", list.get(0));17 }18}

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answer

Using AI Code Generation

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1package org.kodejava.example.mockito;2import org.junit.Test;3import org.mockito.AdditionalAnswers;4import java.util.List;5import static org.junit.Assert.assertEquals;6import static org.mockito.Mockito.mock;7import static org.mockito.Mockito.when;8public class AdditionalAnswersTest {9 public void testAnswer() {10 List list = mock(List.class);11 when(list.get(0)).then(AdditionalAnswers.answer(() -> "Hello World"));12 assertEquals("Hello World", list.get(0));13 }14}15Latest Posts Latest posts by admin see all) Java 8 Stream API forEach() method example - May 22, 201816Java 8 Stream API count() method example - May 22, 201817Java 8 Stream API anyMatch() method example - May 22, 2018

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answer

Using AI Code Generation

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1import org.mockito.Mockito;2import org.mockito.invocation.InvocationOnMock;3import org.mockito.stubbing.Answer;4public class AnswerTest {5 public static void main(String[] args) {6 AnswerTest answerTest = new AnswerTest();7 answerTest.testAnswer();8 }9 public void testAnswer() {10 Answer<String> answer = new Answer<String>() {11 public String answer(InvocationOnMock invocation) {12 Object[] args = invocation.getArguments();13 Object mock = invocation.getMock();14 return "called with arguments: " + args;15 }16 };17 Comparable c = Mockito.mock(Comparable.class);18 Mockito.when(c.compareTo("Test")).thenAnswer(answer);19 System.out.println(c.compareTo("Test"));20 }21}

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answer

Using AI Code Generation

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1import org.mockito.AdditionalAnswers;2import org.mockito.Mockito;3import java.util.List;4public class Test {5 public static void main(String[] args) {6 List mockedList = Mockito.mock(List.class);7 Mockito.when(mockedList.get(0)).then(AdditionalAnswers.answer(() -> "Hello World"));8 System.out.println(mockedList.get(0));9 }10}

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answer

Using AI Code Generation

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1import org.mockito.AdditionalAnswers;2import org.mockito.Mock;3import org.mockito.MockitoAnnotations;4import org.testng.annotations.BeforeMethod;5import org.testng.annotations.Test;6import static org.mockito.Mockito.*;7import static org.testng.Assert.*;8public class Test1 {9private SomeInterface someInterface;10public void setUp() {11MockitoAnnotations.initMocks(this);12}13public void test1() {14when(someInterface.someMethod()).then(AdditionalAnswers.answer(() -> "Hello World!"));15assertEquals(someInterface.someMethod(), "Hello World!");16}17}18import org.mockito.stubbing.Answer;19import org.mockito.Mock;20import org.mockito.MockitoAnnotations;21import org.testng.annotations.BeforeMethod;22import org.testng.annotations.Test;23import static org.mockito.Mockito.*;24import static org.testng.Assert.*;25public class Test2 {26private SomeInterface someInterface;27public void setUp() {28MockitoAnnotations.initMocks(this);29}30public void test1() {31Answer<String> answer = invocation -> "Hello World!";32when(someInterface.someMethod()).then(answer);33assertEquals(someInterface.someMethod(), "Hello World!");34}35}36import org.mockito.invocation.InvocationOnMock;37import org.mockito.stubbing.Answer;38import org.mockito.Mock;39import org.mockito.MockitoAnnotations;40import org.testng.annotations.BeforeMethod;41import org.testng.annotations.Test;42import static org.mockito.Mockito.*;43import static org.testng.Assert.*;44public class Test3 {45private SomeInterface someInterface;46public void setUp() {47MockitoAnnotations.initMocks(this);48}49public void test1() {50Answer<String> answer = invocation -> invocation.getArgument(0);51when(someInterface.someMethod(anyString())).then(answer);52assertEquals(someInterface.someMethod("Hello World!"), "Hello World!");53}54}55import org.mockito.stubbing.Stubber;56import org.mockito.Mock;57import org.mockito.MockitoAnnotations;58import org.testng.annotations.BeforeMethod;59import org.testng.annotations.Test;60import static org.mockito.Mockito.*;61import static org.testng.Assert.*;62public class Test4 {63private SomeInterface someInterface;64public void setUp() {

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answer

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1import org.mockito.AdditionalAnswers;2import org.mockito.Mockito;3public class 1 {4 public static void main(String[] args) {5 List mockedList = Mockito.mock(List.class);6 Mockito.when(mockedList.get(Mockito.anyInt())).thenAnswer(AdditionalAnswers.returnsFirstArg());7 System.out.println(mockedList.get(100));8 }9}

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1import org.mockito.AdditionalAnswers;2import org.mockito.Mockito;3public class 1 {4 public static void main(String[] args) {5 List mockList = Mockito.mock(List.class);6 Mockito.when(mockList.get(Mockito.anyInt())).thenAnswer(AdditionalAnswers.returnsElementsOf(Arrays.asList("one", "two", "three")));7 System.out.println(mockList.get(0));8 System.out.println(mockList.get(1));9 System.out.println(mockList.get(2));10 }11}

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1import org.mockito.AdditionalAnswers;2public class MyClass {3 public void test(){4 MyClass mock = mock(MyClass.class, AdditionalAnswers.answer(() -> "Hello World"));5 System.out.println(mock.test());6 }7}

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